Grasso, R., Peña-Fleitas, M.T., Gallardo, M., Thompson, R.B. and Padilla, F.M. 2021. Tillage effects on soil properties, crop responses and root density of sweet pepper (Capsicum annuum). Spanish Journal of Agricultural Research. 19, 2 (Jun. 2021), e0902. DOI:https://doi.org/10.5424/sjar/2021192-17004.